From the Southeast Missouri State University Course Catalog:
DS 450 Professional Practice in Interior Design I. The study of the techniques and processes employed by the interior designer in the establishment of professional relationships and practices. Prerequisites: Completion of three of the following: DS 211, DS 313, DS 314, DS 410, DS 411, DS 412. (3).
DS 451 Professional Practice in Interior Design II. Continuation of DS 450. The study of the techniques and processes employed by the interior designer in the establishment of professional relationships and practices. Prerequisites: Completion of 3 of the following: DS 211; DS 313; DS 314; DS 410; DS 411; DS 412. (3).